setup

pip install beautifulsoup4
import bs4
bs4.__version__
#  '4.9.1'

basics

from bs4 import BeautifulSoup
from urllib.request import urlopen

url = "http://olympus.realpython.org/profiles/dionysus"
page = urlopen(url)
html = page.read().decode("utf-8")
soup = BeautifulSoup(html, "html.parser")
dir(soup)